Jiang Li, an aging man on the brink of death, is plotted against and tricked into taking a fake longevity pill. Unexpectedly, he awakens a Supreme Modification System. He transforms a low-level Disguise Technique into the domineering Asura Tyrant Art, upgrades a Concealment Technique into the top-tier Formless Absolute Breath Technique, and even evolves a trash-tier Qi Gathering Method into the Myriad Realms Spirit-Devouring Demonic Art. With his strength advancing by leaps and bounds each day, Jiang Li is no longer a helpless old man waiting to be slaughtered. Rising against the odds, he subdues a cold and ruthless sect master, conquers a fiery senior sister, and with his heaven-defying ability to modify all things, carves out an unstoppable path to supremacy in this world where the strong reign above all.